The control key is a modifier key that must be pressed in combination with other keys to perform functions such as saving, printing, and copy/pasting. Its function depends on the software and operating system used. Modifier keys are rarely used on their own and are meant to be used in conjunction with other keys. The […]
Proper construction techniques and continuous soil monitoring are key to trench safety. Shoring and sloping are approved methods of construction, with soil conditions assessed and classified. Terrain determines the degree of slope required, with shoring necessary in very poor soil conditions. There are two keys to trench safety: proper construction techniques and continuous monitoring of […]
